NI cFP-DO-400 8-Channel Sourcing Discrete Output Module

The NI cFP-DO-400 is an 8-channel sourcing discrete output module engineered for digital control within National Instruments’ Compact FieldPoint architecture. It delivers reliable switching of industrial devices, indicator lights, relays, and logic circuits through optically isolated channels rated to 2300 Vrms. The module outputs 5 V to 30 V DC with channel currents up to 1.5 A at -40 to 50 °C, scaling to 1.0 A in elevated temperature bands, and a total module capacity of 8 A. Fast response times—20 µs ON and 50 µs OFF—combined with a 20 kHz update rate support time-critical switching applications. Built-in flyback diodes protect against inductive load transients, and per-channel LED indicators provide real-time status visibility. The module integrates directly into Compact FieldPoint backplane systems and conforms to IEC 61010-1, EN 61010-1, and UL safety standards.

– Technical Specifications

• Output Channels: 8 discrete sourcing channels
• Output Voltage Range: 5 V to 30 V DC
• Output Current: Up to 1.5 A per channel (-40 to 50 °C); 1.0 A per channel (50 to 70 °C); 8 A total module
• Output Impedance: 0.3 Ω (10–30 V range)
• Response Time: 20 µs (ON), 50 µs (OFF)
• Update Rate: 20 kHz
• Isolation: Optical, 2300 Vrms breakdown
• Operating Temperature: -40 to 70 °C
• Storage Temperature: -55 to 85 °C
• Relative Humidity: 10 to 90% non-condensing
• Vibration: 5 grms random (10–500 Hz); 5 g sinusoidal (10–500 Hz)
• Dimensions: 109.5 × 109.5 × 91.4 mm
• Weight: 4.8 oz

– Key Features

• Per-channel ON/OFF LED indicators
• Integrated flyback diodes for inductive load protection
• Built-in diagnostics
• Backplane power delivery—no external supply required
• Compact form factor for high channel density

– Typical Applications

• Industrial automation and process control
• Equipment interlocking and safety circuits
• Relay and solenoid switching
• TTL and CMOS device control
• Indicator light and annunciator driving

– Compatibility & Integration

Mounts directly into Compact FieldPoint (cFP-BP-x) backplane systems. Suitable for C/MOS, TTL, external relays, and indicator loads. Conforms to IEC 61010-1, EN 61010-1, UL 3121-1, UL 61010C-1, and CAN/CSA C22.2 No. 1010.1.